<!--用户列表页-->
<template>
  <div style="height: 6vh;padding:10px 20px;background-color:#fff;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
    <el-button type="primary" style="float: right;margin-top: 10px;"
    @click="beforeAddUser">新建用户</el-button>
  </div>
<!--  新建用户弹窗-->
<!--  :before_close="handleClose" 在关闭弹窗前调用处理弹窗关闭的方法，防止误触将弹窗关闭-->
  <el-dialog
    :title="dialogTitle"
    v-model="dialogVisible"
    style="width: 1000px;padding:40px;"
    :before-close="handleClose"
  >
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
<!--            :disabled="saveUserForm.id!=null"编辑员工时禁用用户名输入框，新增时没有用户id-->
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
            :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱" >
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄" >
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
              <el-option v-for="item in levelOptions" :label="item.label" :value="item.value"></el-option>
<!--              <el-option label="职员" value="10"></el-option>-->
<!--              <el-option label="经理" value="20"></el-option>-->
<!--              <el-option label="总监" value="30"></el-option>-->
<!--              <el-option label="总裁" value="40"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
<!--              <el-option label="AA" value="120"></el-option>-->
<!--              <el-option label="BB" value="121"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
<!--  用户搜索卡片-->
  <el-card style="margin:20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索" style="width: 220px;">
        <el-input placeholder="请输入用户名"
                  v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态" style="width: 290px;">
        <el-select placeholder="请选择用户状态" v-model="searchUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">搜索</el-button>
      </el-form-item>
    </el-form>
  </el-card>

<!--  用户列表数据卡片-->
  <el-card>
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" prop="status" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0" v-model="scope.row.status"
          @change="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
          @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import qs from "qs";
import {ElMessage} from "element-plus";

//定义变量用来控制弹窗是否出现
const dialogVisible = ref(false);
//定义数组用来保存员工职级
const levelOptions = ref([
  {label:'员工',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'},
  {label:'总裁',value:'40'},
]);
//定义数组用来保存员工领导数据
const leaderOptions = ref([
  // {username:'AA',id:'120'},
  // {username:'DD',id:'121'},
]);
//定义对象用来保存用户弹窗表单数据
const saveUserForm = ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'',
  status:''
});
//定义变量用来保存弹窗的标题
const dialogTitle = ref('新建用户');
//每次点击“新建用户”按钮时调用：出弹窗+重置弹窗标题
const beforeAddUser = ()=>{
  dialogTitle.value = '新建用户';
  dialogVisible.value = true;
}
//定义保存用户的方法
const saveUser = ()=>{
  console.log(saveUserForm.value);
  //将JS对象转为查询字符串格式再发给后端，注意：qs需要导入！
  let data = qs.stringify(saveUserForm.value);
  console.log(data);//username=vv&phone=18877775555&email=...........
  axios.post(BASE_URL+'/v1/user/save',data).then((response)=>{
    if(response.data.code==2000){
      ElMessage.success('保存成功！');
      //保存成功后，需要关闭弹窗，且清空用户表单数据
      dialogVisible.value = false;
      saveUserForm.value = {};
      //新增成功后，需要重新加载员工数据
      loadUser();
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义处理弹窗关闭的方法
const handleClose =()=>{
  if(confirm('您是否要关闭本弹窗？')){
    //关闭弹窗，且清空用户表单数据
    dialogVisible.value = false;
    saveUserForm.value = {};
  }
}
//定义对象用来保存用户搜索条件
const searchUserForm = ref({username:'',status:''});
//定义数组对象用来保存用户列表表格数据
const userArr = ref([]);
//定义加载用户列表的方法
const loadUser = ()=>{
  //使用qs将请求参数转为查询字符串格式
  let data = qs.stringify(searchUserForm.value);
  //利用axios给后端发查询请求
  axios.get(BASE_URL+'/v1/user/select?'+data).then((response)=>{
    if(response.data.code==2000){
      //当后端返回的状态码是2000说明请求成功了，将请求回来的数据存入绑定的表格数组中
      userArr.value=response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
};
onMounted(()=>{
  loadUser();
})
//定义重置搜索的方法
const resetSearch =() =>{
  //清空之前输入的搜索条件
  searchUserForm.value = {};
  //重新加载所有的用户数据
  loadUser();
};
//定义方法用来加载所选职级对应的可选直属领导数据
const loadLeader =()=>{
  //问题：如果员工选择了直属领导，再切换职级，新加载出来的领导选项里没有之前的领导，无法显示出领导姓名
  //解决；每次新选择职级之后，加载直属领导前，需要将之前选择的直属领导和可选领导数据清空，防止遗留数据
  saveUserForm.value.parentId='';
  leaderOptions.value=[];
  //先拿到用户当前选择的职级,再+10才是上层可选领导的职级
  let level = parseInt(saveUserForm.value.level)+10;
  //给后端发送查询请求，查出对应职级下的所有员工
  axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
    if(response.data.code==2000){
      //将请求回来的数据存入leaderOption中
      leaderOptions.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//定义重置密码的方法，restful风格
const resetPassword = (userId)=>{
  axios.post(BASE_URL+'/v1/user/update/password/'+userId).then((response)=>{
    if(response.data.code==2000){
      ElMessage.success('密码重置成功！');
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义编辑用户的方法
const editUser = (id)=>{
  dialogVisible.value = true;
  dialogTitle.value = '编辑用户';
  //根据当前用户的id回显弹窗表单中此用户的数据
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
    if(response.data.code==2000){
      //注意:后端返回的数据是一个集合，所以查一条数据的话需要取出第一个元素data[0]再赋值
      saveUserForm.value = response.data.data[0];
      //先拿到用户当前选择的职级,再+10才是上层可选领导的职级
      let level = parseInt(saveUserForm.value.level)+10;
      //给后端发送查询请求，查出对应职级下的所有员工
      axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
        if(response.data.code==2000){
          //将请求回来的数据存入leaderOption中
          leaderOptions.value = response.data.data;
        }else{
          ElMessage.error(response.data.msg);
        }
      })
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义修改员工状态的方法
const changeStatus = (userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status).then((response)=>{
    if(response.data.code==2000){
      ElMessage.success('修改状态成功！');
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义删除员工的方法
const deleteUser = (userId)=>{
  if(confirm('您确认要删除该员工吗')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId).then((response)=>{
      if(response.data.code==2000){
        ElMessage.success('删除成功！');
        //删除成功后，需要重新加载所有的员工数据列表！
        loadUser();
      }else{
        ElMessage.error(response.data.msg);
      }
    })
  }
}
</script>

<style scoped>

</style>